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Your BBT will show lower temperatures during this time, usually ranging from 97.0 to 97.7 degrees Fahrenheit (2). After ovulation is the luteal phase. Progesterone, produced by the corpus luteum during your luteal phase raises your core body temperature.
Low progesterone can interfere with implantation, success of a pregnancy, and can be implicated in a host of issues such as estrogen-dominance, PMS, menstrual cramps, endometriosis, thyroid disorders, recurrent miscarriages, and infertility. A woman may have a cycle of average length, say 29 days and so assumes she is having normal, healthy cycles.
Dec 31, 2020 · I have a friend who had an elevated basal body temperature for seventeen days and she was not pregnant! So it can be tricky to use BBT to check for pregnancy. ZipLine September 15, 2013 . I've had an elevated basal body temperature for two weeks. I'm going to keep checking it daily and once it passes the eighteen day mark, I'm going to get a ...